CN116572887A - Automobile bumper with pedestrian protection function - Google Patents
Automobile bumper with pedestrian protection function Download PDFInfo
- Publication number
- CN116572887A CN116572887A CN202310629998.0A CN202310629998A CN116572887A CN 116572887 A CN116572887 A CN 116572887A CN 202310629998 A CN202310629998 A CN 202310629998A CN 116572887 A CN116572887 A CN 116572887A
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- Prior art keywords
- block
- groove
- bumper
- buffer
- rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000006378 damage Effects 0.000 abstract description 9
- 208000027418 Wounds and injury Diseases 0.000 abstract description 8
- 208000014674 injury Diseases 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/36—Protecting non-occupants of a vehicle, e.g. pedestrians using airbags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/12—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
- B60T1/14—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action directly on road
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Vibration Dampers (AREA)
Abstract
The invention relates to the field of automobile bumpers, in particular to an automobile bumper with a pedestrian protection function. The technical proposal comprises: the automobile comprises an automobile body, wheels, a bumper assembly, an adjusting mechanism, a buffer mechanism, a linkage mechanism and a limiting mechanism, wherein the wheels are arranged at four corners below the automobile body, the bumper assembly is arranged on one side of the automobile body, the adjusting mechanism is arranged in the bumper assembly, the buffer mechanism is arranged on one side of the adjusting mechanism, the adjusting mechanism comprises a fixed block, the linkage mechanism is arranged on one side of the fixed block, and the limiting mechanism is arranged in the linkage mechanism; the device slide bar removes and first spring compression resets, makes the buffering gasbag fully contact the pedestrian, reduces the impact force between car and the pedestrian, is difficult for causing great injury to the pedestrian, and the I-shaped piece contacts in ground through leading to the groove, and the I-shaped piece can increase the frictional force between car and the ground when bumping, carries out deceleration treatment, further protects the pedestrian to receive the secondary injury.
Description
Technical Field
The invention relates to the field of automobile bumpers, in particular to an automobile bumper with a pedestrian protection function.
Background
The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front and rear parts of the automobile body. For many years, front and rear bumpers of automobiles are stamped into channel steel by using steel plates, are riveted or welded together with frame longitudinal beams, have a large gap with an automobile body and are quite unsightly. With the development of the automobile industry and the great application of engineering plastics in the automobile industry, automobile bumpers have also moved to innovative roads as an important safety device. In addition to the original protection function, the front and rear bumpers of the car today are required to be harmonious and unified with the shape of the car body, and to be lightweight. The front and rear bumpers of a car are all made of plastic and are called plastic bumpers. The plastic bumper of a general automobile consists of an outer plate, a buffer material and a cross beam.
Traditional bumper is located the most area in front and rear in the automobile, is designed in the influence that avoids the outside damage of vehicle to cause vehicle safety system on the surface, and they have the ability that reduces driver and passenger injury when high-speed striking, and more are designed for pedestrian protection now, and the cushioning effect that automobile bumper on the present market can play is limited to can cause the injury to the pedestrian, in case cause the pedestrian fracture, generally need long-time maintenance to take care of, influence the normal life of pedestrian, and current bumper does not possess the function of slowing down the automobile body in the emergence collision, lead to the automobile body to cause the secondary injury to the pedestrian, in view of this we propose an automobile bumper with pedestrian protection function to solve current problem.
Disclosure of Invention
The invention aims to provide an automobile bumper with a pedestrian protection function, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an automobile bumper with pedestrian protection function, includes automobile body, wheel, bumper subassembly, adjustment mechanism, buffer gear, link gear and stop gear, automobile body below four corners is provided with the wheel, and automobile body one side is provided with the bumper subassembly, is provided with adjustment mechanism in the bumper subassembly, and adjustment mechanism one side is provided with buffer gear, and adjustment mechanism includes the fixed block, and fixed block one side is provided with link gear, is provided with stop gear in the link gear.
Preferably, the bumper assembly comprises a plastic bumper shell, a mounting block, an energy absorption buffer material and a buffer air bag, wherein the plastic bumper shell is movably connected to one side of the vehicle body, the mounting block is symmetrically arranged on the inner side of the plastic bumper shell, the energy absorption buffer material is arranged in the mounting block, and the buffer air bag is symmetrically arranged on one side of the energy absorption buffer material.
Preferably, adjustment mechanism includes buffer rod, axis of rotation, strengthening rib, connecting piece, fixed block, two-way lead screw, slide bar, motor, connecting rod and dwang, automobile body one side surface symmetry is provided with the buffer rod, and one side that the buffer rod kept away from the automobile body is provided with the axis of rotation, and the buffer rod has strengthening rib one side through axis of rotation swing joint, both sides the strengthening rib middle part is provided with the connecting piece, and both sides strengthening rib passes through connecting piece interconnect, automobile body one side middle part is provided with the fixed block, is provided with two-way lead screw between the fixed block, and fixed block one side is provided with the motor, and the motor is located the automobile body surface, and the output fixedly connected with two-way lead screw one side of motor, two-way lead screw both sides threaded connection has the slide bar, swing joint has the bracing piece on the slide bar, both sides the one side below that the axis of rotation was kept away from to the strengthening rib is provided with the dwang on the dwang, and one side that the dwang was kept away from the connecting rod is located the bracing piece.
Preferably, the buffer gear includes spout, spacing groove, sliding block, stopper, spring mounting and first spring, the spout has been seted up to strengthening rib one side, and the spacing groove has been seted up to both sides in the spout, and sliding connection has the stopper in the spacing groove, and is provided with the sliding block between the both sides stopper, sliding block one side swing joint has the bracing piece, spout and sliding block both sides all are provided with spring mounting, and are provided with first spring between the spring mounting of both sides.
Preferably, the link gear includes gasket, briquetting, depression bar, connecting axle, splint, locating piece, movable groove, I-shaped piece and recess, fixed block middle part one side is provided with the mounting bracket, and mounting bracket one side is provided with the gasket, and the inside briquetting that is provided with of gasket, and briquetting one side is provided with the depression bar, and one side that the briquetting was kept away from to the depression bar is provided with the connecting axle, and swing joint has splint on the connecting axle, and splint are provided with two sets of, and the movable groove has been seted up at the splint middle part, and has seted up the mounting bracket between mounting bracket and the fixed block, and the symmetry is provided with the locating piece in the mounting groove, and the locating piece is located inside the movable groove, inside I-shaped piece that is provided with of mounting groove, mutually supporting between I-shaped piece and the splint.
Preferably, stop gear includes joint groove, second spring, fixture block and guide way, the transmission groove has been seted up at the mounting bracket middle part, and the mounting bracket is close to one side of gasket and has seted up the joint groove in transmission inslot symmetry, and the joint inslot side is provided with the second spring, and one side that the joint groove was kept away from to the second spring is provided with the fixture block, the guide way has been seted up to the joint groove both sides, and the fixture block both sides are provided with the lug, and the fixture block is located the joint groove.
Preferably, grooves are formed in two sides of the surface of the pressing rod, and the grooves are matched with the clamping blocks.
Preferably, a through groove is formed below the mounting groove, the I-shaped block is positioned in the through groove, and the surface of the lower side of the I-shaped block is a concave-convex friction surface.
Preferably, a pressure sensor, a motor and a buffer air bag are arranged in the energy absorption buffer material, and are electrically connected with a single chip in the vehicle.
Compared with the prior art, the invention has the beneficial effects that:
1. the bidirectional screw rod can be driven to rotate through the control motor, the sliding rods are symmetrically arranged on the bidirectional screw rod, the sliding rods move and the first springs are compressed and reset, the reinforcing ribs are jacked up, the buffer air bags fully contact pedestrians, the protection of the pedestrians is greatly improved, the impact force between an automobile and the pedestrians is reduced, and the pedestrians are not easily damaged greatly.
2. Sliding connection has the sliding block in the spout, is provided with first spring between sliding block both sides and the spout, receives first spring influence, and the sliding block is when not bumping, and the sliding block keeps at the spout middle part, and when the strengthening rib receives the impact, the sliding block horizontal migration in the spout to make both sides bracing piece remove to both sides, improve the parcel nature to the pedestrian.
3. Be provided with the briquetting in the gasket, the briquetting drives depression bar transmission groove and slides, and depression bar one side swing joint has splint, and depression bar promotes splint and removes on the movable groove to make the angle between the splint enlarge, make the I-shaped piece contact in ground through leading to the groove, and I-shaped piece can increase the frictional force between car and the ground when bumping, carries out the deceleration treatment, further protects the pedestrian to receive the secondary injury.
Drawings
FIG. 1 is a schematic view of a vehicle body according to the present invention;
FIG. 2 is a schematic view of a bumper assembly according to the present invention;
FIG. 3 is a schematic view of an adjusting mechanism according to the present invention;
FIG. 4 is an enlarged view of A in FIG. 3;
FIG. 5 is a schematic view of a buffer mechanism according to the present invention;
FIG. 6 is a schematic diagram of a linkage mechanism according to the present invention;
fig. 7 is an enlarged view of B in fig. 6.
In the figure: 1. a vehicle body; 2. a wheel; 3. a bumper assembly; 301. a plastic bumper housing; 302. a mounting block; 303. an energy absorbing buffer material; 304. a buffer air bag; 4. an adjusting mechanism; 401. a buffer rod; 402. a rotating shaft; 403. reinforcing ribs; 404. a connecting piece; 405. a fixed block; 406. a two-way screw rod; 407. a slide bar; 408. a motor; 409. a connecting rod; 410. a rotating block; 411. a support rod; 5. a buffer mechanism; 501. a chute; 502. a limit groove; 503. a sliding block; 504. a limiting block; 505. a spring mount; 506. a first spring; 6. a linkage mechanism; 601. a gasket; 602. briquetting; 603. a compression bar; 604. a connecting shaft; 605. a clamping plate; 606. a positioning block; 607. a movable groove; 608. an I-shaped block; 609. a groove; 610. a mounting frame; 611. a mounting groove; 612. a transmission groove; 7. a limiting mechanism; 701. a clamping groove; 702. a second spring; 703. a clamping block; 704. a guide groove; 8. a pressure sensor.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
As shown in fig. 1-7, the automobile bumper with pedestrian protection function provided by the invention comprises a vehicle body 1, wheels 2, a bumper component 3, an adjusting mechanism 4, a buffer mechanism 5, a linkage mechanism 6 and a limiting mechanism 7, wherein the wheels 2 are arranged at four corners below the vehicle body 1, the bumper component 3 is arranged at one side of the vehicle body 1, the adjusting mechanism 4 is arranged in the bumper component 3, the buffer mechanism 5 is arranged at one side of the adjusting mechanism 4, the adjusting mechanism 4 comprises a fixed block 405, the linkage mechanism 6 is arranged at one side of the fixed block 405, and the limiting mechanism 7 is arranged in the linkage mechanism 6.
In an alternative embodiment, the bumper assembly 3 includes a plastic bumper shell 301, a mounting block 302, an energy-absorbing buffer material 303 and a buffer air bag 304, one side of the vehicle body 1 is movably connected with the plastic bumper shell 301, the mounting block 302 is symmetrically arranged on the inner side of the plastic bumper shell 301, the energy-absorbing buffer material 303 is arranged in the mounting block 302, the buffer air bag 304 is symmetrically arranged on one side of the energy-absorbing buffer material 303, the buffer air bag 304 is generally made of polyamide fabric with good anti-cracking performance, and is a semi-hard polymer material capable of bearing larger pressure, so that the impact generated by the automobile collision is reduced.
In an alternative embodiment, adjustment mechanism 4 includes buffer rod 401, axis of rotation 402, strengthening rib 403, connecting piece 404, fixed block 405, bi-directional lead screw 406, slide bar 407, motor 408, connecting rod 409 and rotating block 410, 1 side surface symmetry of automobile body is provided with buffer rod 401, and one side that buffer rod 401 kept away from automobile body 1 is provided with axis of rotation 402, and buffer rod 401 has strengthening rib 403 one side through axis of rotation 402 swing joint, both sides strengthening rib 403 middle part is provided with connecting piece 404, and both sides strengthening rib 403 passes through connecting piece 404 interconnect, 1 side middle part of automobile body is provided with fixed block 405, is provided with bi-directional lead screw 406 between the fixed block 405, and fixed block 405 one side is provided with motor 408, and motor 408 is located 1 surface of automobile body, and the output fixedly connected with bi-directional lead screw 406 one side, bi-directional lead screw 406 both sides threaded connection has slide bar 407, swing joint has bracing piece 411 on slide bar 407, both sides the strengthening rib 403 is kept away from one side below of 402 and is provided with rotating block 410, swing joint has connecting rod 409 on rotating block 410, 409 keep away from on the connecting rod 410 and is kept away from on the side of the motor control rod 410 and is provided with bi-directional lead screw 406, and can reduce the pedestrian's 406 and the compression is carried out the high enough to set up the motor 408, and is provided with the pedestrian's opposite side, and the high-level is compressed to the pedestrian's profile is set up by the motor to the bi-directional lead screw 406, and the pedestrian's profile is compared with the motor has the side profile to the motor to the side has the compression profile to the motor.
In an alternative embodiment, the buffer mechanism 5 includes a chute 501, a limit slot 502, a sliding block 503, a limit block 504, a spring mounting member 505 and a first spring 506, where the chute 501 is opened at one side of the stiffener 403, the limit slot 502 is opened at two sides in the chute 501, the limit block 504 is slidably connected in the limit slot 502, the sliding block 503 is disposed between the two side limit blocks 504, one side of the sliding block 503 is movably connected with a supporting rod 411, the two sides of the chute 501 and the sliding block 503 are both provided with the spring mounting member 505, the first spring 506 is disposed between the two side spring mounting members 505, the sliding block 503 is slidably connected in the chute 501, the first spring 506 is disposed between the two sides of the sliding block 503 and the chute 501, the sliding block 503 is kept in the middle of the chute 501 when the stiffener 403 is impacted, and the two side supporting rod 503 moves horizontally in the chute 501, thereby making the two side supporting rod move to two sides and improving the wrapping property for pedestrians.
In an alternative embodiment, the link gear 6 includes gasket 601, briquetting 602, depression bar 603, connecting axle 604, splint 605, locating piece 606, movable groove 607, I-shaped block 608 and recess 609, fixed block 405 middle part one side is provided with mounting bracket 610, mounting bracket 610 one side is provided with gasket 601, gasket 601 inside is provided with briquetting 602, and briquetting 602 one side is provided with depression bar 603, depression bar 603 keeps away from briquetting 602 one side and is provided with connecting axle 604, swing joint has splint 605 on the connecting axle 604, splint 605 is provided with two sets of, movable groove 607 has been seted up at splint 605 middle part, and set up mounting bracket 610 and fixed block 405 between having seted up mounting groove 611, the symmetry is provided with locating piece 606 in the mounting groove 611, locating piece 606 is located movable groove 607 inside, the inside I-shaped block 608 that is provided with I-shaped block 608, be provided with briquetting 602 in the gasket 601, briquetting 602 drives depression bar drive groove 612, and depression bar 603 one side swing joint has splint 605, depression bar 605 promotes the movement on the movable groove 605, thereby make angle between the splint 605 expand, make I-shaped block 608 pass through the groove 608 and receive the collision in the second time of the collision between I-shaped block 608, and the further can be carried out in the collision between the ground, and the second time, the collision can be carried out, and the collision between the I-shaped block 608 is further protected.
In an alternative embodiment, stop gear 7 includes joint groove 701, second spring 702, fixture block 703 and guide way 704, drive slot 612 has been seted up at the mounting bracket 610 middle part, and the mounting bracket 610 is close to one side of gasket 601 and has seted up joint groove 701 in drive slot 612 symmetry, and the joint inslot side of 701 is provided with second spring 702, and one side that the joint groove 701 was kept away from to second spring 702 is provided with fixture block 703, guide way 704 has been seted up to the joint groove 701 both sides, and fixture block 703 both sides are provided with the lug, and fixture block 703 is located joint groove 701, cooperates through fixture block 703 and recess 609 between, carries out spacingly to depression bar 603, avoids dropping at the normal in-process of driving of car in the worker's model piece 608 and causes the vehicle wearing and tearing.
In an alternative embodiment, grooves 609 are formed on two sides of the surface of the pressing rod 603, and the grooves 609 are matched with the clamping blocks 703.
In an alternative embodiment, a through groove is formed below the mounting groove 611, the i-shaped block 608 is located inside the through groove, and the surface of the lower side of the i-shaped block 608 is a concave-convex friction surface.
In an alternative embodiment, the energy absorbing cushioning material 303 has a pressure sensor 8 disposed therein, and the pressure sensor 8, motor 408, and cushioning bladder 304 are all electrically connected on-board the vehicle.
The working principle of the invention is as follows: when the automobile collides with a pedestrian in the process, the automobile head collides to trigger the pressure sensor 8 to send a signal to the singlechip in the automobile, the singlechip triggers the buffer air bag 304 to work, the buffer air bag 304 is generally made of polyamide fabric with good anti-cracking performance, the buffer air bag 304 is made of semi-hard polymer material and can bear larger pressure, so that the impact generated by the automobile collision is reduced, when the automobile collides, the plastic bumper shell 301 at the front side of the automobile body 1 breaks, the two side reinforcing ribs 403 are connected with each other through the connecting piece 404, a chute 501 is arranged below the reinforcing ribs 403, a sliding block 503 is connected in a sliding way in the chute 501, a first spring 506 is arranged between the two sides of the sliding block 503 and the chute 501, the sliding block 503 is kept in the middle of the chute 501 under the influence of the first spring 506 when the sliding block 503 does not collide, and the reinforcing ribs 403 are impacted, the sliding block 503 horizontally moves in the sliding groove 501, so that the supporting rods 411 on two sides move to two sides, the reinforcing ribs 403 are stressed on the rotating shaft 402 to rotate, a connecting rod 409 is arranged between the reinforcing ribs 403 and the supporting rods 411, the stress of the reinforcing ribs 403 can be dispersed on one hand by the connecting rod 409, the service life of the reinforcing ribs is prolonged, on the other hand, the supporting rods 411 can be limited by the connecting rod 409, the condition that the reinforcing ribs 403 are excessively pressed down to influence the reset of the reinforcing ribs 403 is avoided, and when the two-way screw 406 can be driven to rotate by the control motor 408 in the event of collision, the sliding rods 407 are symmetrically arranged on the two-way screw 406, the sliding rods 407 move and the first springs 506 compress and reset to jack up the reinforcing ribs 403, so that the buffer air bags 304 fully contact pedestrians, the protection of the pedestrians is greatly improved, the impact force between the automobiles and the pedestrians is reduced, and the pedestrians are not easy to cause great injury, and when the strengthening rib 403 receives the impact, strengthening rib 403 one place contacts gasket 601, be provided with briquetting 602 in the gasket 601, briquetting 602 drives depression bar 603 drive groove 612 and slidely, and depression bar 603 one side swing joint has splint 605, depression bar 603 promotes splint 605 and removes on movable groove 607, thereby make the angle between the splint 605 enlarge, make I-shaped block 608 contact on ground through leading to the groove, and I-shaped block 608 can increase the frictional force between car and the ground when bumping, carry out the deceleration treatment, further protect the pedestrian to receive the secondary injury, and cooperate between clamp block 703 and the recess 609, spacing depression bar 603, avoid in the normal driving process of car, I-shaped block 608 drops and causes the vehicle wearing and tearing.
It is to be understood that the above-described embodiments of the present invention are intended to be illustrative or explanatory of the principles of the invention, and are not restrictive of the invention. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (9)
1. An automobile bumper with pedestrian protection function, includes automobile body (1), wheel (2), bumper subassembly (3), adjustment mechanism (4), buffer gear (5), link gear (6) and stop gear (7), its characterized in that: wheels (2) are arranged at four corners below the vehicle body (1), a bumper component (3) is arranged on one side of the vehicle body (1), an adjusting mechanism (4) is arranged in the bumper component (3), a buffer mechanism (5) is arranged on one side of the adjusting mechanism (4), the adjusting mechanism (4) comprises a fixed block (405), a linkage mechanism (6) is arranged on one side of the fixed block (405), and a limiting mechanism (7) is arranged in the linkage mechanism (6).
2. An automobile bumper with pedestrian protection function as defined in claim 1, wherein: the bumper assembly (3) comprises a plastic bumper shell (301), a mounting block (302), an energy absorption buffer material (303) and a buffer air bag (304), wherein the plastic bumper shell (301) is movably connected to one side of the vehicle body (1), the mounting block (302) is symmetrically arranged on the inner side of the plastic bumper shell (301), the energy absorption buffer material (303) is arranged in the mounting block (302), and the buffer air bag (304) is symmetrically arranged on one side of the energy absorption buffer material (303).
3. An automobile bumper with pedestrian protection function as defined in claim 1, wherein: the adjusting mechanism (4) comprises a buffer rod (401), a rotating shaft (402), reinforcing ribs (403), connecting pieces (404), fixing blocks (405), a bidirectional screw rod (406), sliding rods (407), motors (408), connecting rods (409) and rotating blocks (410), wherein the buffer rod (401) is symmetrically arranged on one side surface of the vehicle body (1), one side, far away from the vehicle body (1), of the buffer rod (401) is provided with the rotating shaft (402), the buffer rod (401) is movably connected with one side of the reinforcing ribs (403) through the rotating shaft (402), two sides of the buffer rod (401) are provided with connecting pieces (404) in the middle, the connecting pieces (404) are mutually connected with the reinforcing ribs (403) on two sides of the buffer rod (403), the fixing blocks (405) are arranged in the middle on one side of the vehicle body (1), the bidirectional screw rod (406) is arranged between the fixing blocks (405), one side of the fixing blocks (405) is provided with the motors (408), the motors (408) are arranged on one side of the surface of the vehicle body (1), the output ends of the motors (408) are fixedly connected with one side of the bidirectional screw rod (406), two sides of the bidirectional screw rod (407), the sliding rods (407) are screwed with the sliding rods (407), a rotating block (410) is arranged below one side, far away from the rotating shaft (402), of each reinforcing rib (403) on two sides, a connecting rod (409) is movably connected to the rotating block (410), and one side, far away from the rotating block (410), of each connecting rod (409) is located on the supporting rod (411).
4. An automobile bumper with pedestrian protection function as defined in claim 3, wherein: the buffer mechanism (5) comprises a sliding groove (501), a limiting groove (502), sliding blocks (503), limiting blocks (504), spring mounting pieces (505) and first springs (506), wherein the sliding groove (501) is formed in one side of each reinforcing rib (403), the limiting groove (502) is formed in two sides of each sliding groove (501), the limiting blocks (504) are connected in the sliding grooves (502) in a sliding mode, the sliding blocks (503) are arranged between the limiting blocks (504) on two sides, supporting rods (411) are movably connected on one side of each sliding block (503), the spring mounting pieces (505) are arranged on two sides of each sliding groove (501) and each sliding block (503), and the first springs (506) are arranged between the spring mounting pieces (505) on two sides.
5. An automobile bumper with pedestrian protection function as defined in claim 1, wherein: the linkage mechanism (6) comprises a gasket (601), a pressing block (602), a pressing rod (603), a connecting shaft (604), a clamping plate (605), a positioning block (606), a movable groove (607), an I-shaped block (608) and a groove (609), wherein one side of the middle of the fixed block (405) is provided with a mounting frame (610), one side of the mounting frame (610) is provided with the gasket (601), the pressing block (602) is internally provided with the pressing block (602), one side of the pressing block (602) is provided with the pressing rod (603), one side, far away from the pressing block (602), of the pressing rod (603) is provided with the connecting shaft (604), the connecting shaft (604) is movably connected with the clamping plate (605), the clamping plate (605) is provided with two groups, the movable groove (607) is formed in the middle of the clamping plate (605), the mounting frame (610) and the fixed block (405) are provided with a mounting groove (611), the positioning block (606) is symmetrically arranged in the mounting groove (611), the positioning block (606) is located inside the movable groove (607), and the I-shaped block (608) is internally provided with the I-shaped block (608), and the clamping plate (605) is mutually matched with the clamping plate (605).
6. An automotive bumper with pedestrian protection as defined in claim 5, wherein: stop gear (7) are including joint groove (701), second spring (702), fixture block (703) and guide way (704), transmission groove (612) have been seted up at mounting bracket (610) middle part, one side that mounting bracket (610) is close to gasket (601) has symmetrically seted up joint groove (701) in transmission groove (612), joint groove (701) inboard is provided with second spring (702), and one side that joint groove (701) was kept away from to second spring (702) is provided with fixture block (703), guide way (704) have been seted up to joint groove (701) both sides, and fixture block (703) both sides are provided with the lug, and fixture block (703) are located joint groove (701).
7. An automotive bumper with pedestrian protection as defined in claim 5, wherein: grooves (609) are formed in two sides of the surface of the pressing rod (603), and the grooves (609) are matched with the clamping blocks (703).
8. An automotive bumper with pedestrian protection as defined in claim 5, wherein: a through groove is formed below the mounting groove (611), the I-shaped block (608) is positioned in the through groove, and the lower side surface of the I-shaped block (608) is a concave-convex friction surface.
9. An automobile bumper with pedestrian protection function as defined in claim 2, wherein: the energy absorption buffer material (303) is internally provided with a pressure sensor (8), and the pressure sensor (8), the motor (408) and the buffer air bag (304) are electrically connected in a single chip in the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310629998.0A CN116572887A (en) | 2023-05-31 | 2023-05-31 | Automobile bumper with pedestrian protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310629998.0A CN116572887A (en) | 2023-05-31 | 2023-05-31 | Automobile bumper with pedestrian protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116572887A true CN116572887A (en) | 2023-08-11 |
Family
ID=87533976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310629998.0A Pending CN116572887A (en) | 2023-05-31 | 2023-05-31 | Automobile bumper with pedestrian protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116572887A (en) |
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2023
- 2023-05-31 CN CN202310629998.0A patent/CN116572887A/en active Pending
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